Comparative Evaluation of Micro-Deval Abrasion Test with Other Toughness/Abrasion Resistance and Soundness Tests1
Publication: Journal of Materials in Civil Engineering
Volume 20, Issue 5
Abstract
This study presents the findings from a research investigation conducted to characterize the toughness/abrasion resistance and soundness of aggregates from 23 sources using the micro-Deval, Los Angeles (LA) abrasion, sodium sulfate soundness, and magnesium sulfate soundness tests. Correlations between the results of micro-Deval test and other tests were explored, and the NCHRP 4-19 study recommendation of maximum loss of 18% in micro-Deval test to characterize good versus poor aggregates was evaluated against the field performance of the aggregate. Also, the effect of aggregate gradation on the loss observed in micro-Deval and LA abrasion tests was studied. Based on the results from this study, the recommendations from the NCHRP 04-19 study appear to be valid for the aggregates evaluated. Also, a high degree of correlation was observed between the size of the aggregate evaluated and the micro-Deval loss, with smaller sized aggregates yielding larger loss. Good correlation was observed between results of sodium sulfate and magnesium sulfate soundness tests, however, no significant correlation was observed between the losses observed in micro-Deval test and either of the two sulfate soundness tests or the LA abrasion test.
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Acknowledgments
The writers would like to acknowledge the support and information provided by SCDOT for this project. Thanks are extended in particular to Mr. Merrill Zwanka and Mr. Mike Lockman of SCDOT. Gratitude is also expressed to personnel from Vulcan Materials, Martin Marietta Materials, Hanson Aggregates, and Carolina Aggregate Products for generously providing the aggregates for this study and former students of Clemson University, Mr. Gresham Barker and Mr. John Deirlein, for help with conducting tests in this project.
References
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 20 • Issue 5 • May 2008
Pages: 343 - 351
Copyright
© 2008 ASCE.
History
Received: Feb 21, 2006
Accepted: Oct 16, 2006
Published online: May 1, 2008
Published in print: May 2008
Notes
Presented at the 2005 TRB 84th Annual Meeting in Washington, D.C.
Note. Associate Editor: Baoshan Huang
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